AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 145 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,977,708 | +3.0% | 43,003 | +28.7% | 0.01% | +20.0% |
| Q2 2023 | $1,920,015 | +45.3% | 33,409 | -5.2% | 0.01% | +25.0% |
| Q1 2023 | $1,321,463 | +20.0% | 35,239 | -10.3% | 0.00% | 0.0% |
| Q4 2022 | $1,100,934 | +0.3% | 39,291 | +0.5% | 0.00% | +33.3% |
| Q3 2022 | $1,098,000 | -24.1% | 39,081 | -6.0% | 0.00% | -25.0% |
| Q2 2022 | $1,446,000 | -20.4% | 41,568 | -17.8% | 0.00% | 0.0% |
| Q1 2022 | $1,817,000 | +54.2% | 50,600 | 0.0% | 0.00% | +100.0% |
| Q4 2021 | $1,178,000 | +22.5% | 50,600 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $962,000 | -5.7% | 50,600 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $1,020,000 | +10.0% | 50,600 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $927,000 | -8.9% | 50,600 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $1,018,000 | -4.6% | 50,600 | -11.1% | 0.00% | -33.3% |
| Q3 2020 | $1,067,000 | -16.5% | 56,900 | 0.0% | 0.00% | -25.0% |
| Q2 2020 | $1,278,000 | +55.7% | 56,900 | +2.9% | 0.00% | +33.3% |
| Q1 2020 | $821,000 | -20.9% | 55,300 | +2.8% | 0.00% | 0.0% |
| Q4 2019 | $1,038,000 | -2.7% | 53,800 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $1,067,000 | -0.9% | 53,800 | +5.5% | 0.00% | 0.0% |
| Q2 2019 | $1,077,000 | +10.2% | 51,000 | +6.7% | 0.00% | 0.0% |
| Q1 2019 | $977,000 | +33.1% | 47,800 | +29.5% | 0.00% | +50.0% |
| Q4 2018 | $734,000 | +5.5% | 36,900 | +1.9% | 0.00% | 0.0% |
| Q3 2018 | $696,000 | +26.1% | 36,200 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $552,000 | +5.1% | 36,200 | +29.3% | 0.00% | 0.0% |
| Q1 2018 | $525,000 | -2.6% | 28,000 | 0.0% | 0.00% | +100.0% |
| Q4 2017 | $539,000 | +7.8% | 28,000 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $500,000 | 0.0% | 28,000 | 0.0% | 0.00% | -50.0% |
| Q2 2017 | $500,000 | – | 28,000 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| LAM GROUP, INC. | 130,250 | $3,649,605 | 3.75% |
| SHAKER INVESTMENTS LLC/OH | 81,287 | $2,277,662 | 1.41% |
| Mesirow Institutional Investment Management, Inc. | 374,414 | $10,491,080 | 1.38% |
| OBERWEIS ASSET MANAGEMENT INC/ | 134,000 | $3,754,680 | 0.80% |
| Portolan Capital Management | 270,791 | $7,587,564 | 0.75% |
| Hillsdale Investment Management Inc. | 172,238 | $4,826,109 | 0.41% |
| Capital Impact Advisors, LLC | 14,669 | $411,025 | 0.40% |
| Watershed Asset Management, L.L.C. | 9,555 | $267,731 | 0.34% |
| Quantedge Capital Pte Ltd | 35,153 | $984,987 | 0.33% |
| FEDERATED HERMES, INC. | 3,284,217 | $92,023,760 | 0.25% |